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cd_nmconv(3) Library Functions Manual cd_nmconv(3) NAME cd_nmconv - Sets or gets CD-ROM file name conversions LIBRARY Rock Ridge and X/Open Extensions to the CDFS library (libcdrom.so, libcdrom.a) SYNOPSIS #include <sys/cdrom.h> int cd_nmconv ( char *path, int *cmd, int *flag ); PARAMETERS Points to a mount-point of a CD-ROM file system. Can be set to either {CD_SETNMCONV} to set or {CD_GETNMCONV} to get the name conversion for file names on a mounted CD-ROM. Used in conjunction with *cmd, and can be one of the following: {CD_NOCONV} No conversion. This is the default when the CD-ROM is first mounted. {CD_LOWER} File or directory names on the CD-ROM File System are converted to lowercase when represented in the XSI file hierarchy. In ad- dition, if a file or directory name contains no File Name Exten- sion, SEPARATOR 1, a dot (.), is not represented in the XSI file hierarchy. {CD_NOVERSION} The version number and SEPARATOR 2, a semi-colon (;), of a file or directory name on the CD-ROM File System are not represented in the XSI file hierarchy. Note that {CD_LOWER} and {CD_NOVERSION} may be bitwise-inclusive OR-ed. DESCRIPTION The cd_nmconv routine sets of gets the name conversion *flag for file names on a mounted CD-ROM. RESTRICTIONS Setting a file name conversion is restricted to users with the appro- priate privileges. This function is intended to be used to set a file name conversion only directly after the CD-ROM is mounted and before its files and directories are accessed. Attempting to use this func- tion to set a file name conversion after files or directories on the CD-ROM have been accessed may produce unpredictable results. RETURN VALUES If successful, the value zero is returned. If unsuccessful, the integer -1 is returned and errno is set to indi- cate the error. ERRORS The function will fail if: Search permission is denied for a directory in *path or read permission is denied on the mount-point. The address of *flag or *path is invalid. A signal was caught during execution of the function. The argument *path does not point to a mount-point of a CDROM File System. The value of *cmd or *flag is invalid. {OPEN_MAX} file descriptors are currently open in the calling process. [DIGITAL] Either the OPEN_MAX value or the per-process soft de- scriptor limit is checked. The length of the *path string ex- ceeds {PATH_MAX}, or a pathname component is longer than {NAME_MAX} while {_POSIX_NO_TRUNC} is in effect. The system file table is full. A component of *path does not exist, or the *path argument points to an empty string. A component of the *path prefix is not a directory. The user does not have the ap- propriate privileges to set values. RELATED INFORMATION Files: cdfs/xcdr.h, sys/cdrom.h. delim off cd_nmconv(3)